<template>
    <div class="header">
        <!-- 折叠按钮 -->
        <div class="logo">
            <img :src="logo" alt="fancy Admin"/>
        </div>
        <div class="collapse-btn" @click="collapseChage">
            <i class="el-icon-s-fold"></i>
        </div>
        <div class="collapse-btn">
            <el-menu :default-active="activeIndex" class="el-menu" mode="horizontal" 
                text-color="#fff"
                background-color="#242f42"
                active-text-color="#ffd04b">
                <el-menu-item :index="index.toString()" :key="item.index" v-for="(item,index) in moduleList"
                    @click="handlerSelectMenu(item)"
                >{{item.title}}</el-menu-item>
            </el-menu>
        </div>
        <div class="header-right">
            <div class="header-user-con">
                <!-- 全屏显示 -->
                <div class="btn-fullscreen" @click="handleFullScreen">
                    <el-tooltip effect="dark" :content="fullscreen?`取消全屏`:`全屏`" placement="bottom">
                        <i class="el-icon-rank"></i>
                    </el-tooltip>
                </div>
                <!-- 用户名下拉菜单 -->
                <el-dropdown class="user-name" trigger="click" @command="handleCommand">
                    <span class="el-dropdown-link">
                        {{username}} <i class="el-icon-caret-bottom"></i>
                    </span>
                    <el-dropdown-menu slot="dropdown">
                        <router-link to="/sys/org/personInfo">
                            <el-dropdown-item><i class="el-icon-lx-people">个人信息</i></el-dropdown-item>
                        </router-link>
                        <el-dropdown-item divided  command="loginout">退出登录</el-dropdown-item>
                    </el-dropdown-menu>
                </el-dropdown>
                <!-- 用户头像 -->
                <div class="user-avator"><fancy-user-avatar :size="35" /></div>
            </div>
        </div>
    </div>
</template>
<script>
    import logo from '@/assets/logo.png'
    import bus from './bus';
    import FancyUserAvatar from '@/page/sys/org/sys_org_person/comp/FancyUserAvatar';
    export default {
        data() {
            return {
                collapse: false,
                fullscreen: false,
                name: '',
                message: 2,
                logo:logo,
                activeIndex:'0'
            }
        },
        components: { FancyUserAvatar },
        computed:{
            username(){
                return localStorage.getItem('userName') ;
            },
            moduleList(){
                let moduleList = [];
                this.menus.forEach(obj=>{
                    const module = {
                        title:obj.title,
                        index:obj.index
                    }
                    moduleList.push(module);
                })
                return moduleList;
            }
        },
        props:{
            menus:{
                type:Array,
                default:[]
            }
        },
        methods:{
            // 用户名下拉菜单选择事件
            handleCommand(command) {
                if(command === 'loginout'){
                    localStorage.removeItem('userName')
                    localStorage.removeItem('token')
                    this.$router.push('/login');
                }
            },
            // 侧边栏折叠
            collapseChage(){
                this.collapse = !this.collapse;
                bus.$emit('collapse', this.collapse);
            },
            // 全屏事件
            handleFullScreen(){
                let element = document.documentElement;
                if (this.fullscreen) {
                    if (document.exitFullscreen) {
                        document.exitFullscreen();
                    } else if (document.webkitCancelFullScreen) {
                        document.webkitCancelFullScreen();
                    } else if (document.mozCancelFullScreen) {
                        document.mozCancelFullScreen();
                    } else if (document.msExitFullscreen) {
                        document.msExitFullscreen();
                    }
                } else {
                    if (element.requestFullscreen) {
                        element.requestFullscreen();
                    } else if (element.webkitRequestFullScreen) {
                        element.webkitRequestFullScreen();
                    } else if (element.mozRequestFullScreen) {
                        element.mozRequestFullScreen();
                    } else if (element.msRequestFullscreen) {
                        // IE11
                        element.msRequestFullscreen();
                    }
                }
                this.fullscreen = !this.fullscreen;
            },
            handlerSelectMenu(item){
                console.log(item.index);
                bus.$emit('menus', item.index);
            }
        },
        mounted(){
            if(document.body.clientWidth < 1500){
                this.collapseChage();
            }
        }
    }
</script>
<style scoped>
    .header {
        position: relative;
        box-sizing: border-box;
        width: 100%;
        height: 50px;
        font-size: 22px;
        color: #fff;
    }
    .collapse-btn{
        float: left;
        padding: 0 21px;
        cursor: pointer;
        line-height: 50px;
        background: #242f42;
    }
    .header .logo{
        float: left;
        width:120px;
        height:50px;
        line-height: 50px;
    }
    .header-right{
        float: right;
        padding-right: 15px;
    }
    .header-user-con{
        display: flex;
        height: 50px;
        align-items: center;
    }
    .btn-fullscreen{
        transform: rotate(45deg);
        margin-right: 5px;
        font-size: 24px;
    }
    .btn-bell, .btn-fullscreen{
        position: relative;
        width: 30px;
        height: 30px;
        top: 5px;
        text-align: center;
        border-radius: 15px;
        cursor: pointer;
    }
    .btn-bell-badge{
        position: absolute;
        right: 0;
        top: -2px;
        width: 8px;
        height: 8px;
        border-radius: 4px;
        background: #f56c6c;
        color: #fff;
    }
    .btn-bell .el-icon-bell{
        color: #fff;
    }
    .user-name{
        margin-left: 10px;
    }
    .user-avator{
        margin-left: 10px;
    }
    .user-avator img{
        display: block;
        width:40px;
        height:40px;
        border-radius: 50%;
    }
    .el-dropdown-link{
        color: #fff;
        cursor: pointer;
    }
    .el-dropdown-menu__item{
        text-align: center;
    }
    .el-menu{
        height:50px;
    }
    .el-menu >>> .el-menu-item{
        height:50px;
        line-height: 50px;
    }
</style>
